* {
  padding: 0;
  margin: 0;
  list-style: none;

}

a {
  text-decoration: none;
  outline: none;
  color: black;
}

body,
html {
  width: 100vw;
  height: 100%;
  color: #575757;
}

header {
  width: 100%;
  height: 10%;
  /* color: #fff; */
  /* background: linear-gradient(to right, #3071FF 0%, #30A3FF 100%); */
}

header .header-top {
  padding: 15px 0;
  display: flex;
}

header .header-top span {
  margin: auto;
  font-size: 14px;
  font-weight: 600;
}

header .header-top a img {
  width: 11px;
}

header .header-top a {
  margin-left: 10px;
}

main {
  width: 100%;
}
main .row {
  width: 100%;
  margin: 0;
  /* padding: 0; */
  box-sizing: border-box;
  padding: 0 10px;
}



/* 媒体查询 */
@media screen and (min-width: 500px) {
  body {
    margin: 0 auto;
    width: 375px;
    border: 1px solid grey;
    z-index: 999;
  }

  footer {
    position: relative;
    left: 0%;
    width: 375px;
    z-index: 999;
  }
}